Robert Oppenheimer helped invent a bomb that could end the world—and then lived just long enough to realize he might have lit the fuse.
Carol Stanton, a science teacher in Oakland, strongly recommends this one. She said, “I’ve watched it so many times I could almost recite along with the dialogue!” and “It’s better than ‘Oppenheimer.’”
The Day After Trinity is the best documentary on the moral reckoning behind the birth of the atomic age.
Trailer for “The Day After Trinity”
You Can’t Make This Sh!t Up
- Scientists on the Manhattan Project took bets on whether their test bomb might ignite the entire atmosphere and destroy Earth. One of the possibilities discussed—seriously—was incinerating the state of New Mexico.
- A blind girl miles from the Trinity test site asked her family about the flash of light she somehow sensed.
Watch “The Day After Trinity”
You can watch “The Day After Trinity” on Amazon Prime Video. There’s also a free version on YouTube.
Ratings:
- My Rating: 90/100
- IMDb Rating: 7.8/10
- Rotten Tomatoes Ratings: 98/100 (Users); not yet rated (Critics)
Director’s Note: Jon Else directed this 1981 film with the pacing and tension of a Cold War thriller. He collaborated with David Webb Peoples and Janet Peoples (who later wrote “12 Monkeys” and “Blade Runner”). This might explain the existential weight the doc carries.
Release Date: Released in 1981 via PBS’s “American Experience.” It still holds up as one of the most powerful atomic-era documentaries ever made.
My Review of “The Day After Trinity”
The Setup
“The Day After Trinity” is a 1981 documentary about J. Robert Oppenheimer, told through the people who built the first atomic bomb—and lived long enough to regret it.
The film is built around firsthand interviews with scientists, military leaders, and Oppenheimer’s friends. It’s woven together with archival footage. You see the idealism that drove them in the 1940s. Plus, the fallout, both literal and emotional, that followed after the bomb was used.
Unlike most WWII docs, this one doesn’t focus on battlefields or generals. It’s about what happens in labs, in closed-door briefings, and later—under Congressional cross-examination. If “Oppenheimer” is the IMAX dramatization, this is the source code.
More Highlights from the Doc
- The film explores how Oppenheimer, once the brilliant leader of the Manhattan Project, became a tortured, vocal opponent of nuclear proliferation.
- Archival interviews from key physicists—like Hans Bethe and Robert Serber—reveal just how conflicted they became after seeing their invention used on civilians.
- There’s a chilling timeline: Germany surrenders, the Trinity test happens in July, and by August, bombs are dropped on Hiroshima and Nagasaki.
- The documentary shows how U.S. military leaders rushed forward with using the bomb—even as scientists tried (and failed) to halt the plan.
- Oppenheimer later lost his security clearance during the McCarthy era—partly because he spoke out about building bigger weapons.
- The bomb was built to stop Hitler. But after Germany surrendered in May 1945, the work continued at full speed. The bombing of Japan happened weeks after the test.
Cameos – Lesser-Known Details from the Doc
- Enrico Fermi, a Nobel Prize-winning physicist, was the one who joked about the bomb setting the atmosphere on fire—though it was half-serious enough to disturb his colleagues.
- One scientist said watching the Trinity test felt like seeing “the end of the world”—even though it was what they’d spent years building toward.
- General Leslie Groves, the military head of the project, appears in archival clips—he was more interested in results than ethics.
Wrap Up
This is the documentary “Oppenheimer” fans should watch next. It’s haunting, brilliant, and rooted in the real words of the people who built the bomb—and then tried to live with it.
Thanks for reading!
Heather Fenty, Guest Writer, Daily Doc